Abstract: An imager comprises an image sensor that has a plurality of pixels arranged in rows and columns, wherein each pixel comprises a light-sensitive detector element for generating electric charge from light incident during an exposure, and a reset device to reset charge present in the pixel to a reference value. The imager has a control device that is configured to couple a respective pixel to the associated column line in order to successively output a reference voltage signal, which corresponds to the reference value, and an image voltage signal, which corresponds to the electric charge generated, at the associated column line. The imager has a first analog-to-digital converter and a second analog-to-digital converter. The control device is configured to apply the reference voltage signal to a signal input of the first analog-to-digital converter and to simultaneously apply the image voltage signal to a signal input of the second analog-to-digital converter.

Abstract: An imager comprises an image sensor that has a plurality of pixels arranged in rows and columns, wherein each pixel comprises a light-sensitive detector element for generating electric charge from light incident during an exposure, and a reset device to reset charge present in the pixel to a reference value. The imager has a control device that is configured to couple a respective pixel to the associated column line in order to successively output a reference voltage signal, which corresponds to the reference value, and an image voltage signal, which corresponds to the electric charge generated, at the associated column line. The imager has a first analog-to-digital converter and a second analog-to-digital converter. The control device is configured to apply the reference voltage signal to a signal input of the first analog-to-digital converter and to simultaneously apply the image voltage signal to a signal input of the second analog-to-digital converter.